./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:06:15,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:06:15,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:06:15,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:06:15,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:06:15,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:06:15,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:06:15,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:06:15,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:06:15,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:06:15,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:06:15,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:06:15,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:06:15,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:06:15,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:06:15,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:06:15,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:06:15,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:06:15,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:06:15,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:06:15,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:06:15,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:06:15,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:06:15,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:06:15,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:06:15,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:06:15,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:06:15,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:06:15,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:06:15,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:06:15,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:06:15,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:06:15,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:06:15,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:06:15,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:06:15,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:06:15,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:06:15,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:06:15,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:06:15,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:06:15,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:06:15,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:06:15,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:06:15,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:06:15,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:06:15,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:06:15,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:06:15,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:06:15,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:06:15,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:06:15,434 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:06:15,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:06:15,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:06:15,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:06:15,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:06:15,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:06:15,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:06:15,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:06:15,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:06:15,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:06:15,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:06:15,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:06:15,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:06:15,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:15,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:06:15,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:06:15,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:06:15,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:06:15,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:06:15,440 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:06:15,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:06:15,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:06:15,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2022-11-18 21:06:15,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:06:15,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:06:15,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:06:15,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:06:15,774 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:06:15,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:06:15,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/36d03a197/5a61c15df18a4b1c98601dcade0ac168/FLAG859436dfe [2022-11-18 21:06:16,646 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:06:16,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:06:16,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/36d03a197/5a61c15df18a4b1c98601dcade0ac168/FLAG859436dfe [2022-11-18 21:06:16,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/36d03a197/5a61c15df18a4b1c98601dcade0ac168 [2022-11-18 21:06:16,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:06:16,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:06:16,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:16,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:06:16,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:06:16,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:16" (1/1) ... [2022-11-18 21:06:16,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccb952a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:16, skipping insertion in model container [2022-11-18 21:06:16,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:16" (1/1) ... [2022-11-18 21:06:16,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:06:16,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:06:17,913 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-18 21:06:17,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:17,969 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:06:18,428 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-18 21:06:18,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:18,559 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:06:18,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18 WrapperNode [2022-11-18 21:06:18,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:18,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:18,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:06:18,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:06:18,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,733 INFO L138 Inliner]: procedures = 151, calls = 793, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1733 [2022-11-18 21:06:18,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:18,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:06:18,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:06:18,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:06:18,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:06:18,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:06:18,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:06:18,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:06:18,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (1/1) ... [2022-11-18 21:06:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:18,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:06:18,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:06:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2022-11-18 21:06:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2022-11-18 21:06:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2022-11-18 21:06:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:06:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:06:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:06:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:06:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2022-11-18 21:06:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2022-11-18 21:06:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2022-11-18 21:06:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2022-11-18 21:06:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:06:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:06:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:06:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:06:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:06:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:06:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-18 21:06:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-18 21:06:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:06:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:06:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 21:06:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 21:06:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:06:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:06:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:06:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 21:06:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 21:06:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-18 21:06:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-18 21:06:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:06:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:06:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2022-11-18 21:06:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2022-11-18 21:06:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 21:06:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 21:06:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:06:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:06:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:06:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 21:06:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 21:06:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 21:06:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 21:06:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-18 21:06:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-18 21:06:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:06:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2022-11-18 21:06:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2022-11-18 21:06:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-18 21:06:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-18 21:06:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:06:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:06:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2022-11-18 21:06:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2022-11-18 21:06:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 21:06:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 21:06:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2022-11-18 21:06:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2022-11-18 21:06:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:06:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2022-11-18 21:06:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2022-11-18 21:06:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 21:06:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 21:06:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:06:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:06:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2022-11-18 21:06:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2022-11-18 21:06:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:06:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:06:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2022-11-18 21:06:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2022-11-18 21:06:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:06:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:06:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:06:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2022-11-18 21:06:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2022-11-18 21:06:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:06:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:06:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:06:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2022-11-18 21:06:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2022-11-18 21:06:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2022-11-18 21:06:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2022-11-18 21:06:19,556 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:06:19,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:06:19,716 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:06:20,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:06:21,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:06:21,008 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:06:21,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:21 BoogieIcfgContainer [2022-11-18 21:06:21,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:06:21,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:06:21,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:06:21,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:06:21,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:06:16" (1/3) ... [2022-11-18 21:06:21,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38984a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:21, skipping insertion in model container [2022-11-18 21:06:21,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:18" (2/3) ... [2022-11-18 21:06:21,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38984a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:21, skipping insertion in model container [2022-11-18 21:06:21,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:21" (3/3) ... [2022-11-18 21:06:21,022 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:06:21,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:06:21,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:06:21,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:06:21,111 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14afcde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:06:21,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:06:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2022-11-18 21:06:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-18 21:06:21,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:21,133 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:21,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:21,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:21,139 INFO L85 PathProgramCache]: Analyzing trace with hash 108953653, now seen corresponding path program 1 times [2022-11-18 21:06:21,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:21,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696988960] [2022-11-18 21:06:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-18 21:06:22,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:22,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696988960] [2022-11-18 21:06:22,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696988960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:22,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:22,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:06:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992265150] [2022-11-18 21:06:22,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:22,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:06:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:22,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:06:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:06:22,286 INFO L87 Difference]: Start difference. First operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 21:06:23,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:23,461 INFO L93 Difference]: Finished difference Result 1151 states and 1655 transitions. [2022-11-18 21:06:23,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:06:23,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 184 [2022-11-18 21:06:23,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:23,491 INFO L225 Difference]: With dead ends: 1151 [2022-11-18 21:06:23,491 INFO L226 Difference]: Without dead ends: 581 [2022-11-18 21:06:23,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:23,513 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 259 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:23,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1121 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 21:06:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-11-18 21:06:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 553. [2022-11-18 21:06:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 390 states have (on average 1.2974358974358975) internal successors, (506), 395 states have internal predecessors, (506), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2022-11-18 21:06:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 760 transitions. [2022-11-18 21:06:23,621 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 760 transitions. Word has length 184 [2022-11-18 21:06:23,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:23,622 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 760 transitions. [2022-11-18 21:06:23,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 21:06:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 760 transitions. [2022-11-18 21:06:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-18 21:06:23,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:23,627 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:06:23,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash 825195323, now seen corresponding path program 1 times [2022-11-18 21:06:23,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:23,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688706693] [2022-11-18 21:06:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:23,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-18 21:06:24,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:24,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688706693] [2022-11-18 21:06:24,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688706693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:24,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:24,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284594061] [2022-11-18 21:06:24,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:24,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:24,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:24,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:24,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:24,297 INFO L87 Difference]: Start difference. First operand 553 states and 760 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:06:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:26,187 INFO L93 Difference]: Finished difference Result 1614 states and 2294 transitions. [2022-11-18 21:06:26,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:26,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2022-11-18 21:06:26,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:26,198 INFO L225 Difference]: With dead ends: 1614 [2022-11-18 21:06:26,198 INFO L226 Difference]: Without dead ends: 1097 [2022-11-18 21:06:26,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:06:26,202 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 993 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:26,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 2249 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 21:06:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-18 21:06:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1041. [2022-11-18 21:06:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 741 states have (on average 1.3076923076923077) internal successors, (969), 750 states have internal predecessors, (969), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-18 21:06:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1435 transitions. [2022-11-18 21:06:26,349 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1435 transitions. Word has length 184 [2022-11-18 21:06:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:26,350 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1435 transitions. [2022-11-18 21:06:26,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:06:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1435 transitions. [2022-11-18 21:06:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-18 21:06:26,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:26,353 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:26,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:06:26,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:26,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash -140417823, now seen corresponding path program 1 times [2022-11-18 21:06:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:26,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535857862] [2022-11-18 21:06:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-18 21:06:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:26,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535857862] [2022-11-18 21:06:26,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535857862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:26,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:26,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:06:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326168439] [2022-11-18 21:06:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:26,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:06:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:06:26,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:06:26,935 INFO L87 Difference]: Start difference. First operand 1041 states and 1435 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:06:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:28,968 INFO L93 Difference]: Finished difference Result 2098 states and 2962 transitions. [2022-11-18 21:06:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:06:28,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 187 [2022-11-18 21:06:28,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:28,976 INFO L225 Difference]: With dead ends: 2098 [2022-11-18 21:06:28,976 INFO L226 Difference]: Without dead ends: 1093 [2022-11-18 21:06:28,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:28,982 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 1272 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:28,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 3008 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 21:06:28,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-11-18 21:06:29,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1040. [2022-11-18 21:06:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 740 states have (on average 1.304054054054054) internal successors, (965), 749 states have internal predecessors, (965), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-18 21:06:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1431 transitions. [2022-11-18 21:06:29,060 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1431 transitions. Word has length 187 [2022-11-18 21:06:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:29,061 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 1431 transitions. [2022-11-18 21:06:29,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:06:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1431 transitions. [2022-11-18 21:06:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-18 21:06:29,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:29,068 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:29,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:06:29,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:29,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:29,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1713361567, now seen corresponding path program 1 times [2022-11-18 21:06:29,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:29,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169447761] [2022-11-18 21:06:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 21:06:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 21:06:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 21:06:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-11-18 21:06:29,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:29,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169447761] [2022-11-18 21:06:29,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169447761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:29,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:29,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:29,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611871714] [2022-11-18 21:06:29,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:29,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:29,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:29,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:29,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:29,864 INFO L87 Difference]: Start difference. First operand 1040 states and 1431 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:06:31,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:31,521 INFO L93 Difference]: Finished difference Result 3148 states and 4466 transitions. [2022-11-18 21:06:31,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:31,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 245 [2022-11-18 21:06:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:31,535 INFO L225 Difference]: With dead ends: 3148 [2022-11-18 21:06:31,536 INFO L226 Difference]: Without dead ends: 2140 [2022-11-18 21:06:31,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:06:31,542 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 1091 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:31,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2098 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 21:06:31,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-11-18 21:06:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2033. [2022-11-18 21:06:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 1452 states have (on average 1.3078512396694215) internal successors, (1899), 1469 states have internal predecessors, (1899), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-18 21:06:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2799 transitions. [2022-11-18 21:06:31,684 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2799 transitions. Word has length 245 [2022-11-18 21:06:31,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:31,685 INFO L495 AbstractCegarLoop]: Abstraction has 2033 states and 2799 transitions. [2022-11-18 21:06:31,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:06:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2799 transitions. [2022-11-18 21:06:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-18 21:06:31,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:31,694 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:31,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:06:31,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:31,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1250643980, now seen corresponding path program 1 times [2022-11-18 21:06:31,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:31,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151789895] [2022-11-18 21:06:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 21:06:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 21:06:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 21:06:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-11-18 21:06:32,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:32,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151789895] [2022-11-18 21:06:32,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151789895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:32,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:32,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:32,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359852067] [2022-11-18 21:06:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:32,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:32,256 INFO L87 Difference]: Start difference. First operand 2033 states and 2799 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:06:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:34,023 INFO L93 Difference]: Finished difference Result 4862 states and 6998 transitions. [2022-11-18 21:06:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:06:34,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2022-11-18 21:06:34,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:34,040 INFO L225 Difference]: With dead ends: 4862 [2022-11-18 21:06:34,041 INFO L226 Difference]: Without dead ends: 2865 [2022-11-18 21:06:34,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:06:34,050 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 477 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:34,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 3274 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 21:06:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2022-11-18 21:06:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2037. [2022-11-18 21:06:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2037 states, 1456 states have (on average 1.3070054945054945) internal successors, (1903), 1473 states have internal predecessors, (1903), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-18 21:06:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2803 transitions. [2022-11-18 21:06:34,205 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2803 transitions. Word has length 267 [2022-11-18 21:06:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:34,206 INFO L495 AbstractCegarLoop]: Abstraction has 2037 states and 2803 transitions. [2022-11-18 21:06:34,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:06:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2803 transitions. [2022-11-18 21:06:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-18 21:06:34,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:34,215 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:34,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:06:34,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:34,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:34,216 INFO L85 PathProgramCache]: Analyzing trace with hash -29219698, now seen corresponding path program 1 times [2022-11-18 21:06:34,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:34,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218796959] [2022-11-18 21:06:34,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:34,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 21:06:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 21:06:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 21:06:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-11-18 21:06:35,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:35,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218796959] [2022-11-18 21:06:35,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218796959] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:35,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430084955] [2022-11-18 21:06:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:35,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:35,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:35,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:35,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 21:06:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:36,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 21:06:36,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-11-18 21:06:36,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:06:36,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430084955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:36,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:06:36,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2022-11-18 21:06:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026230509] [2022-11-18 21:06:36,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:36,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:06:36,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:36,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:06:36,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:06:36,566 INFO L87 Difference]: Start difference. First operand 2037 states and 2803 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:06:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:37,078 INFO L93 Difference]: Finished difference Result 3636 states and 5105 transitions. [2022-11-18 21:06:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:06:37,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2022-11-18 21:06:37,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:37,094 INFO L225 Difference]: With dead ends: 3636 [2022-11-18 21:06:37,095 INFO L226 Difference]: Without dead ends: 2630 [2022-11-18 21:06:37,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:06:37,101 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 933 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:37,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3444 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 21:06:37,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2022-11-18 21:06:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2043. [2022-11-18 21:06:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1462 states have (on average 1.3057455540355678) internal successors, (1909), 1479 states have internal predecessors, (1909), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-18 21:06:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2809 transitions. [2022-11-18 21:06:37,285 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2809 transitions. Word has length 267 [2022-11-18 21:06:37,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:37,286 INFO L495 AbstractCegarLoop]: Abstraction has 2043 states and 2809 transitions. [2022-11-18 21:06:37,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:06:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2809 transitions. [2022-11-18 21:06:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-18 21:06:37,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:37,295 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:37,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:37,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 21:06:37,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:37,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:37,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1121162219, now seen corresponding path program 1 times [2022-11-18 21:06:37,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:37,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819875909] [2022-11-18 21:06:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:37,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:06:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 21:06:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:06:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 21:06:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:06:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 21:06:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 21:06:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 21:06:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 21:06:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 21:06:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 21:06:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-11-18 21:06:38,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:38,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819875909] [2022-11-18 21:06:38,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819875909] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:38,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374840614] [2022-11-18 21:06:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:38,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:38,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:38,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 21:06:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 21:06:39,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-18 21:06:39,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:06:39,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374840614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:39,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:06:39,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2022-11-18 21:06:39,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562142800] [2022-11-18 21:06:39,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:39,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:39,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:06:39,682 INFO L87 Difference]: Start difference. First operand 2043 states and 2809 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 21:06:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:40,004 INFO L93 Difference]: Finished difference Result 4091 states and 5650 transitions. [2022-11-18 21:06:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:06:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 281 [2022-11-18 21:06:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:40,017 INFO L225 Difference]: With dead ends: 4091 [2022-11-18 21:06:40,017 INFO L226 Difference]: Without dead ends: 2047 [2022-11-18 21:06:40,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-18 21:06:40,026 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 6 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:40,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3684 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:06:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2022-11-18 21:06:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2022-11-18 21:06:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1466 states have (on average 1.304911323328786) internal successors, (1913), 1483 states have internal predecessors, (1913), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-18 21:06:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2813 transitions. [2022-11-18 21:06:40,202 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2813 transitions. Word has length 281 [2022-11-18 21:06:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:40,203 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2813 transitions. [2022-11-18 21:06:40,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 21:06:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2813 transitions. [2022-11-18 21:06:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-18 21:06:40,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:40,213 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:40,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:40,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:40,423 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 510727518, now seen corresponding path program 1 times [2022-11-18 21:06:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:40,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838213939] [2022-11-18 21:06:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:06:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:06:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 21:06:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:06:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 21:06:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 21:06:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 21:06:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 21:06:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 21:06:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 21:06:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 21:06:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 21:06:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 21:06:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-11-18 21:06:41,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:41,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838213939] [2022-11-18 21:06:41,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838213939] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:41,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19404770] [2022-11-18 21:06:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:41,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:41,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 21:06:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:43,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 21:06:43,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-11-18 21:06:43,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:06:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-11-18 21:06:43,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19404770] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:06:43,984 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:06:43,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-11-18 21:06:43,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311408995] [2022-11-18 21:06:43,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:06:43,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 21:06:43,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:43,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 21:06:43,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-18 21:06:43,987 INFO L87 Difference]: Start difference. First operand 2047 states and 2813 transitions. Second operand has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-18 21:06:46,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:46,844 INFO L93 Difference]: Finished difference Result 4249 states and 5992 transitions. [2022-11-18 21:06:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 21:06:46,845 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 292 [2022-11-18 21:06:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:46,859 INFO L225 Difference]: With dead ends: 4249 [2022-11-18 21:06:46,859 INFO L226 Difference]: Without dead ends: 2206 [2022-11-18 21:06:46,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 655 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2022-11-18 21:06:46,868 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 315 mSDsluCounter, 5861 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:46,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 6537 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-18 21:06:46,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-11-18 21:06:47,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2066. [2022-11-18 21:06:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1480 states have (on average 1.3027027027027027) internal successors, (1928), 1497 states have internal predecessors, (1928), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:06:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2832 transitions. [2022-11-18 21:06:47,091 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2832 transitions. Word has length 292 [2022-11-18 21:06:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:47,092 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 2832 transitions. [2022-11-18 21:06:47,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-18 21:06:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2832 transitions. [2022-11-18 21:06:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-18 21:06:47,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:47,102 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:47,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:47,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 21:06:47,314 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:47,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1037858016, now seen corresponding path program 2 times [2022-11-18 21:06:47,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:47,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841132549] [2022-11-18 21:06:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:06:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:06:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 21:06:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 21:06:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:06:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 21:06:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 21:06:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 21:06:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 21:06:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 21:06:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-18 21:06:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 21:06:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-18 21:06:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2022-11-18 21:06:48,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:48,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841132549] [2022-11-18 21:06:48,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841132549] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:48,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74720202] [2022-11-18 21:06:48,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:06:48,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:48,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:48,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 21:06:52,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 21:06:52,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:06:52,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 21:06:52,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:06:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 415 proven. 5 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-11-18 21:06:52,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:06:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2022-11-18 21:06:53,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74720202] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:06:53,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:06:53,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 22 [2022-11-18 21:06:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969902554] [2022-11-18 21:06:53,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:06:53,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-18 21:06:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 21:06:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2022-11-18 21:06:53,440 INFO L87 Difference]: Start difference. First operand 2066 states and 2832 transitions. Second operand has 22 states, 20 states have (on average 7.15) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-18 21:06:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:56,818 INFO L93 Difference]: Finished difference Result 4270 states and 6007 transitions. [2022-11-18 21:06:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 21:06:56,818 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 7.15) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 302 [2022-11-18 21:06:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:56,832 INFO L225 Difference]: With dead ends: 4270 [2022-11-18 21:06:56,833 INFO L226 Difference]: Without dead ends: 2210 [2022-11-18 21:06:56,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 674 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=219, Invalid=1187, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 21:06:56,843 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 309 mSDsluCounter, 7180 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 7861 SdHoareTripleChecker+Invalid, 2558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:56,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 7861 Invalid, 2558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [456 Valid, 2102 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-18 21:06:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2022-11-18 21:06:56,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2070. [2022-11-18 21:06:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1484 states have (on average 1.3018867924528301) internal successors, (1932), 1501 states have internal predecessors, (1932), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:06:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2836 transitions. [2022-11-18 21:06:57,010 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2836 transitions. Word has length 302 [2022-11-18 21:06:57,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:57,010 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 2836 transitions. [2022-11-18 21:06:57,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 7.15) internal successors, (143), 18 states have internal predecessors, (143), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-18 21:06:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2836 transitions. [2022-11-18 21:06:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-18 21:06:57,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:57,020 INFO L195 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:57,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:06:57,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:57,244 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:06:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1729942178, now seen corresponding path program 3 times [2022-11-18 21:06:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:57,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043867697] [2022-11-18 21:06:57,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:06:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:06:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:06:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:06:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:06:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:06:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:06:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 21:06:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 21:06:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 21:06:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 21:06:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 21:06:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 21:06:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-18 21:06:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 21:06:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:06:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-18 21:06:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2022-11-18 21:06:58,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:58,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043867697] [2022-11-18 21:06:58,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043867697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:06:58,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145196521] [2022-11-18 21:06:58,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 21:06:58,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:06:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:58,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:06:59,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 21:07:04,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-18 21:07:04,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:07:04,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 21:07:04,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:07:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 346 proven. 6 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2022-11-18 21:07:04,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:07:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2022-11-18 21:07:05,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145196521] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:07:05,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:07:05,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2022-11-18 21:07:05,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147901858] [2022-11-18 21:07:05,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:07:05,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 21:07:05,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:05,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 21:07:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2022-11-18 21:07:05,007 INFO L87 Difference]: Start difference. First operand 2070 states and 2836 transitions. Second operand has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-18 21:07:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:07,937 INFO L93 Difference]: Finished difference Result 4278 states and 6015 transitions. [2022-11-18 21:07:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 21:07:07,938 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 312 [2022-11-18 21:07:07,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:07,952 INFO L225 Difference]: With dead ends: 4278 [2022-11-18 21:07:07,952 INFO L226 Difference]: Without dead ends: 2214 [2022-11-18 21:07:07,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 691 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=269, Invalid=1453, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 21:07:07,962 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 268 mSDsluCounter, 6770 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 7438 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:07,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 7438 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-18 21:07:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-11-18 21:07:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2074. [2022-11-18 21:07:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1488 states have (on average 1.3010752688172043) internal successors, (1936), 1505 states have internal predecessors, (1936), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:07:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2840 transitions. [2022-11-18 21:07:08,158 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2840 transitions. Word has length 312 [2022-11-18 21:07:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:08,159 INFO L495 AbstractCegarLoop]: Abstraction has 2074 states and 2840 transitions. [2022-11-18 21:07:08,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-18 21:07:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2840 transitions. [2022-11-18 21:07:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-18 21:07:08,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:08,170 INFO L195 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:08,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:07:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 21:07:08,392 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1494093216, now seen corresponding path program 4 times [2022-11-18 21:07:08,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:08,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066628227] [2022-11-18 21:07:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:08,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:07:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:07:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:07:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:07:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 21:07:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:07:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 21:07:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 21:07:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:07:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 21:07:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:07:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 21:07:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 21:07:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:07:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 21:07:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:07:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-18 21:07:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2022-11-18 21:07:10,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:10,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066628227] [2022-11-18 21:07:10,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066628227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:07:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878349347] [2022-11-18 21:07:10,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 21:07:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:07:10,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:07:10,407 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:07:10,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 21:07:13,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 21:07:13,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:07:13,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2813 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 21:07:13,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:07:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 1181 proven. 13 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2022-11-18 21:07:13,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:07:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2022-11-18 21:07:14,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878349347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:07:14,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:07:14,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-11-18 21:07:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560472185] [2022-11-18 21:07:14,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:07:14,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 21:07:14,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:14,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 21:07:14,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2022-11-18 21:07:14,353 INFO L87 Difference]: Start difference. First operand 2074 states and 2840 transitions. Second operand has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-18 21:07:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:18,298 INFO L93 Difference]: Finished difference Result 4298 states and 6040 transitions. [2022-11-18 21:07:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 21:07:18,300 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) Word has length 322 [2022-11-18 21:07:18,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:18,313 INFO L225 Difference]: With dead ends: 4298 [2022-11-18 21:07:18,313 INFO L226 Difference]: Without dead ends: 2235 [2022-11-18 21:07:18,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 711 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=333, Invalid=1923, Unknown=0, NotChecked=0, Total=2256 [2022-11-18 21:07:18,322 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 335 mSDsluCounter, 7394 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 8059 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:18,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 8059 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-18 21:07:18,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2022-11-18 21:07:18,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2095. [2022-11-18 21:07:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 1507 states have (on average 1.3005972130059722) internal successors, (1960), 1524 states have internal predecessors, (1960), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:07:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2864 transitions. [2022-11-18 21:07:18,495 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2864 transitions. Word has length 322 [2022-11-18 21:07:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:18,495 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2864 transitions. [2022-11-18 21:07:18,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-18 21:07:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2864 transitions. [2022-11-18 21:07:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-18 21:07:18,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:18,505 INFO L195 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:18,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:07:18,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 21:07:18,723 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:18,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1461902608, now seen corresponding path program 5 times [2022-11-18 21:07:18,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:18,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466182516] [2022-11-18 21:07:18,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:18,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:07:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:07:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:07:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:07:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:07:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 21:07:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 21:07:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:07:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 21:07:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 21:07:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 21:07:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 21:07:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-18 21:07:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-18 21:07:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 21:07:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 21:07:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-18 21:07:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-18 21:07:20,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:20,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466182516] [2022-11-18 21:07:20,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466182516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:07:20,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116316721] [2022-11-18 21:07:20,649 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 21:07:20,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:07:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:07:20,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:07:20,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 21:07:37,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-18 21:07:37,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:07:37,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 21:07:37,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:07:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2022-11-18 21:07:38,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:07:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-18 21:07:39,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116316721] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:07:39,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:07:39,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 27 [2022-11-18 21:07:39,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200237816] [2022-11-18 21:07:39,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:07:39,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 21:07:39,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 21:07:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-11-18 21:07:39,769 INFO L87 Difference]: Start difference. First operand 2095 states and 2864 transitions. Second operand has 27 states, 25 states have (on average 5.8) internal successors, (145), 23 states have internal predecessors, (145), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:07:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:47,772 INFO L93 Difference]: Finished difference Result 4328 states and 6067 transitions. [2022-11-18 21:07:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 21:07:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.8) internal successors, (145), 23 states have internal predecessors, (145), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 328 [2022-11-18 21:07:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:47,786 INFO L225 Difference]: With dead ends: 4328 [2022-11-18 21:07:47,786 INFO L226 Difference]: Without dead ends: 2240 [2022-11-18 21:07:47,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 720 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=435, Invalid=3105, Unknown=0, NotChecked=0, Total=3540 [2022-11-18 21:07:47,796 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 331 mSDsluCounter, 10076 mSDsCounter, 0 mSdLazyCounter, 3292 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 10757 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 3292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:47,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 10757 Invalid, 3746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [454 Valid, 3292 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-18 21:07:47,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2022-11-18 21:07:47,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2100. [2022-11-18 21:07:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 1512 states have (on average 1.2989417989417988) internal successors, (1964), 1529 states have internal predecessors, (1964), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:07:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2868 transitions. [2022-11-18 21:07:48,018 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2868 transitions. Word has length 328 [2022-11-18 21:07:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:48,022 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2868 transitions. [2022-11-18 21:07:48,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.8) internal successors, (145), 23 states have internal predecessors, (145), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:07:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2868 transitions. [2022-11-18 21:07:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-11-18 21:07:48,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:48,035 INFO L195 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:48,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:07:48,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 21:07:48,256 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:48,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:48,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1477800032, now seen corresponding path program 6 times [2022-11-18 21:07:48,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:48,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330236268] [2022-11-18 21:07:48,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:48,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:07:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:07:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:07:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:07:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:07:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 21:07:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 21:07:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 21:07:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 21:07:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 21:07:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 21:07:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 21:07:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 21:07:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-18 21:07:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-18 21:07:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 21:07:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-11-18 21:07:50,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:50,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330236268] [2022-11-18 21:07:50,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330236268] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:07:50,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742565856] [2022-11-18 21:07:50,321 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 21:07:50,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:07:50,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:07:50,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:07:50,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 21:15:24,560 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-11-18 21:15:24,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:15:24,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-18 21:15:24,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:15:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 785 proven. 21 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2022-11-18 21:15:24,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:15:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-11-18 21:15:25,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742565856] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:15:25,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:15:25,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 28 [2022-11-18 21:15:25,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221915137] [2022-11-18 21:15:25,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:15:25,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 21:15:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 21:15:25,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2022-11-18 21:15:25,754 INFO L87 Difference]: Start difference. First operand 2100 states and 2868 transitions. Second operand has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:15:31,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:31,197 INFO L93 Difference]: Finished difference Result 4338 states and 6075 transitions. [2022-11-18 21:15:31,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 21:15:31,198 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 334 [2022-11-18 21:15:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:31,211 INFO L225 Difference]: With dead ends: 4338 [2022-11-18 21:15:31,211 INFO L226 Difference]: Without dead ends: 2245 [2022-11-18 21:15:31,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 733 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=431, Invalid=2761, Unknown=0, NotChecked=0, Total=3192 [2022-11-18 21:15:31,221 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 281 mSDsluCounter, 10414 mSDsCounter, 0 mSdLazyCounter, 3382 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 3704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 3382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:31,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 11090 Invalid, 3704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [322 Valid, 3382 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-18 21:15:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2022-11-18 21:15:31,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2105. [2022-11-18 21:15:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1517 states have (on average 1.2979564930784444) internal successors, (1969), 1534 states have internal predecessors, (1969), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:15:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2873 transitions. [2022-11-18 21:15:31,396 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2873 transitions. Word has length 334 [2022-11-18 21:15:31,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:31,396 INFO L495 AbstractCegarLoop]: Abstraction has 2105 states and 2873 transitions. [2022-11-18 21:15:31,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:15:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2873 transitions. [2022-11-18 21:15:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-11-18 21:15:31,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:31,404 INFO L195 NwaCegarLoop]: trace histogram [59, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:31,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:15:31,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 21:15:31,631 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1960673488, now seen corresponding path program 7 times [2022-11-18 21:15:31,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957861940] [2022-11-18 21:15:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:31,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:15:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:15:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:15:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:15:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:15:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 21:15:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:15:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:15:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:15:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 21:15:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:15:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 21:15:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:15:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 21:15:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-18 21:15:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-18 21:15:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 21:15:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:15:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-18 21:15:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:15:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2022-11-18 21:15:33,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:15:33,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957861940] [2022-11-18 21:15:33,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957861940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:15:33,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925753078] [2022-11-18 21:15:33,912 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 21:15:33,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:15:33,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:15:33,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:15:33,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 21:15:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:41,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 21:15:41,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:15:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 892 proven. 28 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2022-11-18 21:15:41,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:15:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2022-11-18 21:15:42,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925753078] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:15:42,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:15:42,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 30 [2022-11-18 21:15:42,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420530626] [2022-11-18 21:15:42,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:15:42,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-18 21:15:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:42,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-18 21:15:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2022-11-18 21:15:42,692 INFO L87 Difference]: Start difference. First operand 2105 states and 2873 transitions. Second operand has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:15:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:47,845 INFO L93 Difference]: Finished difference Result 4348 states and 6085 transitions. [2022-11-18 21:15:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 21:15:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 340 [2022-11-18 21:15:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:47,858 INFO L225 Difference]: With dead ends: 4348 [2022-11-18 21:15:47,859 INFO L226 Difference]: Without dead ends: 2250 [2022-11-18 21:15:47,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 744 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=478, Invalid=3182, Unknown=0, NotChecked=0, Total=3660 [2022-11-18 21:15:47,867 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 285 mSDsluCounter, 11931 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 12607 SdHoareTripleChecker+Invalid, 3992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:47,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 12607 Invalid, 3992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [338 Valid, 3654 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-18 21:15:47,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2022-11-18 21:15:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2110. [2022-11-18 21:15:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 1522 states have (on average 1.2969776609724046) internal successors, (1974), 1539 states have internal predecessors, (1974), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:15:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2878 transitions. [2022-11-18 21:15:48,051 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2878 transitions. Word has length 340 [2022-11-18 21:15:48,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:48,052 INFO L495 AbstractCegarLoop]: Abstraction has 2110 states and 2878 transitions. [2022-11-18 21:15:48,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-18 21:15:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2878 transitions. [2022-11-18 21:15:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-18 21:15:48,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:48,060 INFO L195 NwaCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:48,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 21:15:48,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 21:15:48,279 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:48,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:48,280 INFO L85 PathProgramCache]: Analyzing trace with hash 963611872, now seen corresponding path program 8 times [2022-11-18 21:15:48,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:48,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615265981] [2022-11-18 21:15:48,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:48,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:15:49,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:15:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:15:50,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:15:50,255 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:15:50,256 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:15:50,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:15:50,261 INFO L444 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:50,267 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:15:50,315 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,318 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,319 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,322 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,324 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,325 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,326 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,327 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,329 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,331 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,332 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:15:50,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:15:50 BoogieIcfgContainer [2022-11-18 21:15:50,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:15:50,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:15:50,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:15:50,524 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:15:50,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:21" (3/4) ... [2022-11-18 21:15:50,528 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:15:50,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:15:50,529 INFO L158 Benchmark]: Toolchain (without parser) took 573809.71ms. Allocated memory was 144.7MB in the beginning and 899.7MB in the end (delta: 755.0MB). Free memory was 104.1MB in the beginning and 386.4MB in the end (delta: -282.3MB). Peak memory consumption was 471.2MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,529 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:15:50,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1837.25ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 103.9MB in the beginning and 163.2MB in the end (delta: -59.3MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.07ms. Allocated memory is still 230.7MB. Free memory was 163.2MB in the beginning and 152.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,530 INFO L158 Benchmark]: Boogie Preprocessor took 183.82ms. Allocated memory is still 230.7MB. Free memory was 152.7MB in the beginning and 141.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,530 INFO L158 Benchmark]: RCFGBuilder took 2091.98ms. Allocated memory is still 230.7MB. Free memory was 141.2MB in the beginning and 162.9MB in the end (delta: -21.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,531 INFO L158 Benchmark]: TraceAbstraction took 569509.70ms. Allocated memory was 230.7MB in the beginning and 899.7MB in the end (delta: 669.0MB). Free memory was 161.8MB in the beginning and 386.4MB in the end (delta: -224.6MB). Peak memory consumption was 444.4MB. Max. memory is 16.1GB. [2022-11-18 21:15:50,531 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 899.7MB. Free memory is still 386.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:15:50,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1837.25ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 103.9MB in the beginning and 163.2MB in the end (delta: -59.3MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.07ms. Allocated memory is still 230.7MB. Free memory was 163.2MB in the beginning and 152.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.82ms. Allocated memory is still 230.7MB. Free memory was 152.7MB in the beginning and 141.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2091.98ms. Allocated memory is still 230.7MB. Free memory was 141.2MB in the beginning and 162.9MB in the end (delta: -21.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * TraceAbstraction took 569509.70ms. Allocated memory was 230.7MB in the beginning and 899.7MB in the end (delta: 669.0MB). Free memory was 161.8MB in the beginning and 386.4MB in the end (delta: -224.6MB). Peak memory consumption was 444.4MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 899.7MB. Free memory is still 386.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5816]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4279. Possible FailurePath: [L4374] struct dlm_slot *md_ls_ops_group0 ; [L4367] int LDV_IN_INTERRUPT = 1; [L5527] int ldv_retval_0 ; [L4371] struct mddev *cluster_ops_group1 ; [L4369] struct md_rdev *cluster_ops_group0 ; [L4370] int ref_cnt ; [L5855] int ldv_module_refcounter = 1; [L4719] static struct dlm_lockspace_ops const md_ls_ops = {& recover_prep, & recover_slot, & recover_done}; [L5507-L5510] static struct md_cluster_operations cluster_ops = {& join, & leave, & slot_number, & resync_info_update, & resync_start, & resync_finish, & metadata_update_start, & metadata_update_finish, & metadata_update_cancel, & area_resyncing, & add_new_disk_start, & add_new_disk_finish, & new_disk_ack, & remove_disk, & gather_bitmaps}; [L4368] int ldv_state_variable_2 ; [L4373] int ldv_state_variable_0 ; [L4372] int ldv_state_variable_1 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5553] bool ldvarg7 ; [L5554] sector_t ldvarg3 ; [L5555] sector_t ldvarg0 ; [L5556] sector_t ldvarg5 ; [L5557] sector_t ldvarg6 ; [L5558] sector_t ldvarg1 ; [L5559] int ldvarg4 ; [L5560] sector_t ldvarg2 ; [L5561] void *ldvarg8 ; [L5562] void *tmp ; [L5563] int ldvarg11 ; [L5564] void *ldvarg13 ; [L5565] void *tmp___0 ; [L5566] void *ldvarg10 ; [L5567] void *tmp___1 ; [L5568] uint32_t ldvarg12 ; [L5569] int ldvarg9 ; [L5570] int tmp___2 ; [L5571] int tmp___3 ; [L5572] int tmp___4 ; [L5573] int tmp___5 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4333] return (p); VAL [\old(size)=1, \result={-18446744073709551617:0}, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L5575] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] tmp = ldv_init_zalloc(1UL) [L5576] ldvarg8 = tmp VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L4333] return (p); VAL [\old(size)=1, \result={-36893488147419103233:0}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L5577] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] tmp___0 = ldv_init_zalloc(1UL) [L5578] ldvarg13 = tmp___0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L5579] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=1, tmp={-55340232221128654849:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=1, tmp={-55340232221128654849:0}] [L4333] return (p); VAL [\old(size)=1, \result={-55340232221128654849:0}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=1, tmp={-55340232221128654849:0}] [L5579] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L5579] tmp___1 = ldv_init_zalloc(1UL) [L5580] ldvarg10 = tmp___1 [L5581] FCALL ldv_initialize() [L5582] CALL ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [\old(c)=0, \old(n)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={89:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={89:0}, s={89:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={89:0}, n=1, ref_cnt=0, s={89:0}, s={89:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=1, \result={89:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={89:0}, s={89:0}, tmp={89:0}] [L5582] RET ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 1UL)={89:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5583] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={85:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={85:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={85:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}, tmp={85:0}] [L5583] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={85:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5584] CALL ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={82:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={82:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={82:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}, tmp={82:0}] [L5584] RET ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 8UL)={82:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5585] CALL ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={84:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={84:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={84:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}, tmp={84:0}] [L5585] RET ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 8UL)={84:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5586] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={91:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={91:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={91:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}, tmp={91:0}] [L5586] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={91:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5587] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={87:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={87:0}, s={87:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={87:0}, n=8, ref_cnt=0, s={87:0}, s={87:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={87:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={87:0}, s={87:0}, tmp={87:0}] [L5587] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={87:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5588] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={90:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={90:0}, s={90:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={90:0}, n=4, ref_cnt=0, s={90:0}, s={90:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={90:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={90:0}, s={90:0}, tmp={90:0}] [L5588] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={90:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5589] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={81:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={81:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={81:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}, tmp={81:0}] [L5589] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={81:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5590] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={79:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={79:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={79:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}, tmp={79:0}] [L5590] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={79:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5591] CALL ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={86:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={86:0}, s={86:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={86:0}, n=4, ref_cnt=0, s={86:0}, s={86:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={86:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={86:0}, s={86:0}, tmp={86:0}] [L5591] RET ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg12), 0, 4UL)={86:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5592] CALL ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={83:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={83:0}, s={83:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={83:0}, n=4, ref_cnt=0, s={83:0}, s={83:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={83:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={83:0}, s={83:0}, tmp={83:0}] [L5592] RET ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg9), 0, 4UL)={83:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5593] ldv_state_variable_1 = 0 [L5594] ref_cnt = 0 [L5595] ldv_state_variable_0 = 1 [L5596] ldv_state_variable_2 = 0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___4=1] [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR cluster_init() [L5516] CALL register_md_cluster_operations(& cluster_ops, & __this_module) [L6002] return __VERIFIER_nondet_int(); [L5516] RET register_md_cluster_operations(& cluster_ops, & __this_module) [L5517] return (0); VAL [\result=0, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5730] RET, EXPR cluster_init() [L5730] ldv_retval_0 = cluster_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_2 = 1 [L5734] CALL ldv_initialize_dlm_lockspace_ops_2() [L5532] void *tmp ; VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={-94:95}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=8] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=8, __this_module={-94:95}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206465:0}, ref_cnt=0, size=8, tmp={-73786976294838206465:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={-94:95}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206465:0}, ref_cnt=0, size=8, tmp={-73786976294838206465:0}] [L4333] return (p); VAL [\old(size)=8, \result={-73786976294838206465:0}, __this_module={-94:95}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206465:0}, ref_cnt=0, size=8, tmp={-73786976294838206465:0}] [L5534] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] tmp = ldv_init_zalloc(8UL) [L5535] md_ls_ops_group0 = (struct dlm_slot *)tmp VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-73786976294838206465:0}] [L5734] RET ldv_initialize_dlm_lockspace_ops_2() [L5735] ldv_state_variable_1 = 1 [L5736] CALL ldv_initialize_md_cluster_operations_1() [L5541] void *tmp ; [L5542] void *tmp___0 ; VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L5544] CALL, EXPR ldv_init_zalloc(832UL) VAL [\old(size)=832, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=832, __this_module={-94:95}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=832] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=832, __this_module={-94:95}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-92233720368547758081:0}, ref_cnt=0, size=832, tmp={-92233720368547758081:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=832, __this_module={-94:95}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-92233720368547758081:0}, ref_cnt=0, size=832, tmp={-92233720368547758081:0}] [L4333] return (p); VAL [\old(size)=832, \result={-92233720368547758081:0}, __this_module={-94:95}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-92233720368547758081:0}, ref_cnt=0, size=832, tmp={-92233720368547758081:0}] [L5544] RET, EXPR ldv_init_zalloc(832UL) VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(832UL)={-92233720368547758081:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L5544] tmp = ldv_init_zalloc(832UL) [L5545] cluster_ops_group0 = (struct md_rdev *)tmp VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-92233720368547758081:0}] [L5546] CALL, EXPR ldv_init_zalloc(2096UL) VAL [\old(size)=2096, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2096, __this_module={-94:95}, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=2096] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=2096, __this_module={-94:95}, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-110680464442257309697:0}, ref_cnt=0, size=2096, tmp={-110680464442257309697:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2096, __this_module={-94:95}, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-110680464442257309697:0}, ref_cnt=0, size=2096, tmp={-110680464442257309697:0}] [L4333] return (p); VAL [\old(size)=2096, \result={-110680464442257309697:0}, __this_module={-94:95}, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, p={-110680464442257309697:0}, ref_cnt=0, size=2096, tmp={-110680464442257309697:0}] [L5546] RET, EXPR ldv_init_zalloc(2096UL) VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2096UL)={-110680464442257309697:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-92233720368547758081:0}] [L5546] tmp___0 = ldv_init_zalloc(2096UL) [L5547] cluster_ops_group1 = (struct mddev *)tmp___0 VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}] [L5736] RET ldv_initialize_md_cluster_operations_1() [L5739] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___4=1] [L5601] COND TRUE ldv_state_variable_1 != 0 [L5602] tmp___3 = __VERIFIER_nondet_int() [L5604] case 0: [L5611] case 1: [L5618] case 2: [L5625] case 3: [L5632] case 4: [L5639] case 5: [L5646] case 6: [L5653] case 7: [L5660] case 8: [L5667] case 9: VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5668] COND TRUE ldv_state_variable_1 == 1 [L5669] EXPR \read(ldvarg4) [L5669] CALL join(cluster_ops_group1, ldvarg4) [L5089] struct md_cluster_info *cinfo ; [L5090] int ret ; [L5091] int ops_rv ; [L5092] char str[64U] ; [L5093] bool tmp ; [L5094] int tmp___0 ; [L5095] void *tmp___1 ; [L5096] struct lock_class_key __key ; [L5097] int tmp___2 ; [L5098] int tmp___3 ; [L5099] int tmp___4 ; [L5100] struct lock_class_key __key___0 ; [L5102] CALL, EXPR ldv_try_module_get_5(& __this_module) [L5798] int tmp ; [L5800] CALL, EXPR ldv_try_module_get(ldv_func_arg1) [L5868] int module_get_succeeded ; VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, module={-94:95}, module={-94:95}, ref_cnt=0] [L5870] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L5871] CALL, EXPR ldv_undef_int() [L4346] int tmp ; [L4348] tmp = __VERIFIER_nondet_int() [L4349] return (tmp); VAL [\result=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp=1] [L5871] RET, EXPR ldv_undef_int() [L5871] module_get_succeeded = ldv_undef_int() [L5872] COND TRUE module_get_succeeded == 1 [L5873] ldv_module_refcounter = ldv_module_refcounter + 1 [L5874] return (1); VAL [\result=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, module={-94:95}, module={-94:95}, module_get_succeeded=1, ref_cnt=0] [L5800] RET, EXPR ldv_try_module_get(ldv_func_arg1) [L5800] tmp = ldv_try_module_get(ldv_func_arg1) [L5801] return (tmp != 0); VAL [\result=1, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, ldv_func_arg1={-94:95}, ldv_func_arg1={-94:95}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp=1] [L5102] RET, EXPR ldv_try_module_get_5(& __this_module) [L5102] tmp = ldv_try_module_get_5(& __this_module) [L5103] COND TRUE \read(tmp) [L5104] tmp___0 = 0 VAL [\old(nodes)=0, __key={78:0}, __key___0={93:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, mddev={-110680464442257309697:0}, mddev={-110680464442257309697:0}, nodes=0, ops_rv={92:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5108] COND FALSE !(\read(tmp___0)) VAL [\old(nodes)=0, __key={78:0}, __key___0={93:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, mddev={-110680464442257309697:0}, mddev={-110680464442257309697:0}, nodes=0, ops_rv={92:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5112] CALL, EXPR kzalloc(536UL, 208U) VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4277] void *tmp ; [L4279] CALL, EXPR kmalloc(size, flags | 32768U) [L4268] void *tmp___2 ; [L4270] CALL, EXPR __kmalloc(size, flags) [L4263] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L4293] void *p ; [L4294] void *tmp ; [L4295] int tmp___0 ; [L4297] tmp___0 = __VERIFIER_nondet_int() [L4298] COND TRUE tmp___0 != 0 [L4299] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=536, tmp___0=1] [L4263] RET, EXPR ldv_malloc(size) VAL [\old(size)=536, \old(t)=32768, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=536, t=32768] [L4263] return ldv_malloc(size); [L4270] RET, EXPR __kmalloc(size, flags) [L4270] tmp___2 = __kmalloc(size, flags) [L4271] return (tmp___2); VAL [\old(flags)=32768, \old(size)=536, \result={0:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, flags=32768, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=536, tmp___2={0:0}] [L4279] RET, EXPR kmalloc(size, flags | 32768U) [L4279] tmp = kmalloc(size, flags | 32768U) [L4280] return (tmp); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, size=536, tmp={0:0}] [L5112] RET, EXPR kzalloc(536UL, 208U) VAL [\old(nodes)=0, __key={78:0}, __key___0={93:0}, __this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, kzalloc(536UL, 208U)={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, mddev={-110680464442257309697:0}, mddev={-110680464442257309697:0}, nodes=0, ops_rv={92:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5112] tmp___1 = kzalloc(536UL, 208U) [L5113] cinfo = (struct md_cluster_info *)tmp___1 VAL [\old(nodes)=0, __key={78:0}, __key___0={93:0}, __this_module={-94:95}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, mddev={-110680464442257309697:0}, mddev={-110680464442257309697:0}, nodes=0, ops_rv={92:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0, tmp___1={0:0}] [L5114] COND TRUE (unsigned long )cinfo == (unsigned long )((struct md_cluster_info *)0) [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); VAL [\old(nodes)=0, \result=-12, __this_module={-94:95}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, mddev={-110680464442257309697:0}, mddev={-110680464442257309697:0}, nodes=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1={0:0}] [L5669] RET join(cluster_ops_group1, ldvarg4) [L5670] ldv_state_variable_1 = 1 VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=9, tmp___4=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL cluster_exit() [L5523] CALL unregister_md_cluster_operations() [L6010] return __VERIFIER_nondet_int(); [L5523] RET unregister_md_cluster_operations() [L5722] RET cluster_exit() [L5723] ldv_state_variable_0 = 2 VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={82:0}, ldvarg1={87:0}, ldvarg10={-55340232221128654849:0}, ldvarg11={79:0}, ldvarg12={86:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={81:0}, ldvarg3={85:0}, ldvarg4={90:0}, ldvarg5={84:0}, ldvarg6={91:0}, ldvarg7={89:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={83:0}, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5792] CALL ldv_check_final_state() [L5914] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L5915] CALL ldv_error() VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] [L5816] reach_error() VAL [__this_module={-94:95}, cluster_ops={77:0}, cluster_ops_group0={-92233720368547758081:0}, cluster_ops_group1={-110680464442257309697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-73786976294838206465:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 565 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 569.2s, OverallIterations: 15, TraceHistogramMax: 65, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 41.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7492 SdHoareTripleChecker+Valid, 31.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7155 mSDsluCounter, 83227 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72252 mSDsCounter, 5289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22245 IncrementalHoareTripleChecker+Invalid, 27534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5289 mSolverCounterUnsat, 10975 mSDtfsCounter, 22245 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6382 GetRequests, 5985 SyntacticMatches, 19 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3315 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2110occurred in iteration=14, InterpolantAutomatonStates: 234, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2639 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 492.1s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 6969 NumberOfCodeBlocks, 6448 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 8823 ConstructedInterpolants, 0 QuantifiedInterpolants, 15575 SizeOfPredicates, 26 NumberOfNonLiveVariables, 19366 ConjunctsInSsa, 207 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 42659/46724 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 21:15:50,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:15:52,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:15:52,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:15:52,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:15:52,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:15:52,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:15:52,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:15:52,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:15:52,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:15:52,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:15:52,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:15:52,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:15:52,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:15:52,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:15:52,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:15:52,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:15:52,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:15:52,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:15:52,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:15:52,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:15:52,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:15:52,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:15:52,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:15:52,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:15:52,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:15:52,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:15:52,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:15:52,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:15:52,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:15:52,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:15:52,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:15:52,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:15:52,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:15:52,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:15:52,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:15:52,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:15:52,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:15:52,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:15:52,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:15:52,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:15:52,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:15:52,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 21:15:52,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:15:52,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:15:52,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:15:52,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:15:52,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:15:52,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:15:52,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:15:52,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:15:52,866 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:15:52,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:15:52,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:15:52,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:15:52,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:15:52,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:15:52,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 21:15:52,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 21:15:52,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 21:15:52,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:15:52,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:15:52,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:15:52,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:15:52,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:15:52,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:15:52,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:15:52,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:15:52,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:15:52,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:15:52,872 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 21:15:52,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 21:15:52,872 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:15:52,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:15:52,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:15:52,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 21:15:52,873 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2022-11-18 21:15:53,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:15:53,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:15:53,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:15:53,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:15:53,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:15:53,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:15:53,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/c658c68c0/878c56f6eadd483f9b574e95b91927b9/FLAG6803f9ea3 [2022-11-18 21:15:54,222 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:15:54,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:15:54,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/c658c68c0/878c56f6eadd483f9b574e95b91927b9/FLAG6803f9ea3 [2022-11-18 21:15:54,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/data/c658c68c0/878c56f6eadd483f9b574e95b91927b9 [2022-11-18 21:15:54,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:15:54,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:15:54,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:15:54,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:15:54,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:15:54,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:54" (1/1) ... [2022-11-18 21:15:54,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226f0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:54, skipping insertion in model container [2022-11-18 21:15:54,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:54" (1/1) ... [2022-11-18 21:15:54,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:15:54,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:15:56,304 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-18 21:15:56,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:15:56,416 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 21:15:56,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:15:56,652 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-18 21:15:56,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:15:56,666 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:15:56,998 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-18 21:15:57,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:15:57,106 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:15:57,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57 WrapperNode [2022-11-18 21:15:57,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:15:57,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:15:57,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:15:57,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:15:57,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,250 INFO L138 Inliner]: procedures = 159, calls = 793, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1669 [2022-11-18 21:15:57,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:15:57,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:15:57,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:15:57,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:15:57,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:15:57,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:15:57,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:15:57,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:15:57,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (1/1) ... [2022-11-18 21:15:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:15:57,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:15:57,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:15:57,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:15:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2022-11-18 21:15:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2022-11-18 21:15:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 21:15:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2022-11-18 21:15:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2022-11-18 21:15:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 21:15:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 21:15:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:15:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:15:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:15:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:15:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:15:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:15:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2022-11-18 21:15:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2022-11-18 21:15:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2022-11-18 21:15:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2022-11-18 21:15:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:15:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:15:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:15:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:15:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:15:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:15:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-18 21:15:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-18 21:15:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:15:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:15:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 21:15:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 21:15:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:15:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:15:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 21:15:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 21:15:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 21:15:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 21:15:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 21:15:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-18 21:15:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-18 21:15:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:15:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:15:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2022-11-18 21:15:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2022-11-18 21:15:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 21:15:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 21:15:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:15:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:15:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:15:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 21:15:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 21:15:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 21:15:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 21:15:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-18 21:15:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-18 21:15:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:15:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2022-11-18 21:15:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2022-11-18 21:15:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-18 21:15:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-18 21:15:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:15:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:15:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 21:15:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2022-11-18 21:15:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2022-11-18 21:15:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 21:15:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 21:15:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 21:15:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2022-11-18 21:15:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2022-11-18 21:15:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:15:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2022-11-18 21:15:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2022-11-18 21:15:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 21:15:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 21:15:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 21:15:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:15:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 21:15:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:15:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2022-11-18 21:15:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2022-11-18 21:15:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 21:15:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:15:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:15:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2022-11-18 21:15:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2022-11-18 21:15:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:15:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:15:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 21:15:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2022-11-18 21:15:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2022-11-18 21:15:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:15:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2022-11-18 21:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2022-11-18 21:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2022-11-18 21:15:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2022-11-18 21:15:58,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:15:58,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:16:00,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:16:12,533 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:16:12,552 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:16:12,553 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:16:12,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:12 BoogieIcfgContainer [2022-11-18 21:16:12,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:16:12,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:16:12,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:16:12,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:16:12,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:15:54" (1/3) ... [2022-11-18 21:16:12,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9059d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:16:12, skipping insertion in model container [2022-11-18 21:16:12,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:57" (2/3) ... [2022-11-18 21:16:12,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9059d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:16:12, skipping insertion in model container [2022-11-18 21:16:12,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:12" (3/3) ... [2022-11-18 21:16:12,569 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-18 21:16:12,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:16:12,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:16:12,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:16:12,693 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31d0f1e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:16:12,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:16:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2022-11-18 21:16:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-18 21:16:12,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:12,738 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:12,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:12,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:12,751 INFO L85 PathProgramCache]: Analyzing trace with hash 108953653, now seen corresponding path program 1 times [2022-11-18 21:16:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:12,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337273080] [2022-11-18 21:16:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:12,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:12,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:12,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 21:16:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:13,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 21:16:13,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-18 21:16:13,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:13,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:13,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337273080] [2022-11-18 21:16:13,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337273080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:13,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:13,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:16:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164568289] [2022-11-18 21:16:13,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:13,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:16:13,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:13,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:16:13,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:16:13,676 INFO L87 Difference]: Start difference. First operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 21:16:13,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:13,832 INFO L93 Difference]: Finished difference Result 1123 states and 1576 transitions. [2022-11-18 21:16:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:16:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 184 [2022-11-18 21:16:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:13,864 INFO L225 Difference]: With dead ends: 1123 [2022-11-18 21:16:13,865 INFO L226 Difference]: Without dead ends: 553 [2022-11-18 21:16:13,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:16:13,887 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:13,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:16:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-11-18 21:16:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2022-11-18 21:16:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 390 states have (on average 1.2974358974358975) internal successors, (506), 395 states have internal predecessors, (506), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2022-11-18 21:16:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 760 transitions. [2022-11-18 21:16:14,018 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 760 transitions. Word has length 184 [2022-11-18 21:16:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:14,018 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 760 transitions. [2022-11-18 21:16:14,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 21:16:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 760 transitions. [2022-11-18 21:16:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-18 21:16:14,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:14,025 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:14,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-18 21:16:14,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:14,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:14,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash 825195323, now seen corresponding path program 1 times [2022-11-18 21:16:14,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:14,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755142522] [2022-11-18 21:16:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:14,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:14,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:14,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:14,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 21:16:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:15,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 21:16:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-11-18 21:16:15,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:15,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:15,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755142522] [2022-11-18 21:16:15,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755142522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:15,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:15,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:16:15,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187349516] [2022-11-18 21:16:15,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:15,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:16:15,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:15,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:16:15,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:15,224 INFO L87 Difference]: Start difference. First operand 553 states and 760 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 21:16:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:15,803 INFO L93 Difference]: Finished difference Result 1102 states and 1528 transitions. [2022-11-18 21:16:15,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:16:15,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 184 [2022-11-18 21:16:15,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:15,809 INFO L225 Difference]: With dead ends: 1102 [2022-11-18 21:16:15,809 INFO L226 Difference]: Without dead ends: 554 [2022-11-18 21:16:15,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:16:15,813 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 6 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:15,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3694 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 21:16:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2022-11-18 21:16:15,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2022-11-18 21:16:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 391 states have (on average 1.2966751918158568) internal successors, (507), 396 states have internal predecessors, (507), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2022-11-18 21:16:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 761 transitions. [2022-11-18 21:16:15,853 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 761 transitions. Word has length 184 [2022-11-18 21:16:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:15,856 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 761 transitions. [2022-11-18 21:16:15,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 21:16:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 761 transitions. [2022-11-18 21:16:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-18 21:16:15,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:15,867 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:15,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:16,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:16,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1400350510, now seen corresponding path program 1 times [2022-11-18 21:16:16,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:16,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146143397] [2022-11-18 21:16:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:16,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:16,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:16,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 21:16:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:17,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:16:17,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-11-18 21:16:17,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-18 21:16:17,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146143397] [2022-11-18 21:16:17,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146143397] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:17,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:17,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-18 21:16:17,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654947502] [2022-11-18 21:16:17,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:17,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 21:16:17,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:17,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 21:16:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:16:17,903 INFO L87 Difference]: Start difference. First operand 554 states and 761 transitions. Second operand has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 21:16:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:18,819 INFO L93 Difference]: Finished difference Result 1114 states and 1544 transitions. [2022-11-18 21:16:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 21:16:18,820 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 195 [2022-11-18 21:16:18,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:18,826 INFO L225 Difference]: With dead ends: 1114 [2022-11-18 21:16:18,826 INFO L226 Difference]: Without dead ends: 570 [2022-11-18 21:16:18,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:16:18,832 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 16 mSDsluCounter, 4418 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5164 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:18,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5164 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 21:16:18,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-11-18 21:16:18,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2022-11-18 21:16:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 402 states have (on average 1.291044776119403) internal successors, (519), 407 states have internal predecessors, (519), 130 states have call successors, (130), 38 states have call predecessors, (130), 37 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2022-11-18 21:16:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 777 transitions. [2022-11-18 21:16:18,881 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 777 transitions. Word has length 195 [2022-11-18 21:16:18,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:18,883 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 777 transitions. [2022-11-18 21:16:18,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 21:16:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 777 transitions. [2022-11-18 21:16:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-18 21:16:18,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:18,888 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:18,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:19,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:19,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:19,103 INFO L85 PathProgramCache]: Analyzing trace with hash 145975568, now seen corresponding path program 2 times [2022-11-18 21:16:19,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:19,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686078743] [2022-11-18 21:16:19,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:16:19,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:19,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:19,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 21:16:19,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 21:16:19,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:19,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:16:19,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2022-11-18 21:16:19,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:19,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:19,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686078743] [2022-11-18 21:16:19,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686078743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:19,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:19,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:16:19,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187954017] [2022-11-18 21:16:19,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:19,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:16:19,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:19,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:16:19,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:19,732 INFO L87 Difference]: Start difference. First operand 570 states and 777 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:16:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:19,861 INFO L93 Difference]: Finished difference Result 1586 states and 2175 transitions. [2022-11-18 21:16:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:16:19,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 205 [2022-11-18 21:16:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:19,868 INFO L225 Difference]: With dead ends: 1586 [2022-11-18 21:16:19,869 INFO L226 Difference]: Without dead ends: 1063 [2022-11-18 21:16:19,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:19,872 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 674 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:19,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1617 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:16:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-11-18 21:16:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1060. [2022-11-18 21:16:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 755 states have (on average 1.3033112582781456) internal successors, (984), 764 states have internal predecessors, (984), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2022-11-18 21:16:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1454 transitions. [2022-11-18 21:16:19,930 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1454 transitions. Word has length 205 [2022-11-18 21:16:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:19,931 INFO L495 AbstractCegarLoop]: Abstraction has 1060 states and 1454 transitions. [2022-11-18 21:16:19,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:16:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1454 transitions. [2022-11-18 21:16:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 21:16:19,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:19,935 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:19,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:20,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:20,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:20,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:20,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1185207572, now seen corresponding path program 1 times [2022-11-18 21:16:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:20,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495825632] [2022-11-18 21:16:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:20,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 21:16:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:21,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 21:16:21,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 291 proven. 3 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-11-18 21:16:21,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-11-18 21:16:22,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:22,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495825632] [2022-11-18 21:16:22,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495825632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:22,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:22,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-18 21:16:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541676584] [2022-11-18 21:16:22,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:22,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 21:16:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 21:16:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:16:22,053 INFO L87 Difference]: Start difference. First operand 1060 states and 1454 transitions. Second operand has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 21:16:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:23,122 INFO L93 Difference]: Finished difference Result 2112 states and 2915 transitions. [2022-11-18 21:16:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 21:16:23,123 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 208 [2022-11-18 21:16:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:23,131 INFO L225 Difference]: With dead ends: 2112 [2022-11-18 21:16:23,131 INFO L226 Difference]: Without dead ends: 1062 [2022-11-18 21:16:23,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-11-18 21:16:23,139 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 24 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:23,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 5917 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 21:16:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-11-18 21:16:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1062. [2022-11-18 21:16:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 757 states have (on average 1.3025099075297226) internal successors, (986), 766 states have internal predecessors, (986), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2022-11-18 21:16:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1456 transitions. [2022-11-18 21:16:23,203 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1456 transitions. Word has length 208 [2022-11-18 21:16:23,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:23,205 INFO L495 AbstractCegarLoop]: Abstraction has 1062 states and 1456 transitions. [2022-11-18 21:16:23,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 21:16:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1456 transitions. [2022-11-18 21:16:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-18 21:16:23,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:23,209 INFO L195 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:23,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:23,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:23,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1955585046, now seen corresponding path program 2 times [2022-11-18 21:16:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:23,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455842809] [2022-11-18 21:16:23,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:16:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:23,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:23,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 21:16:23,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 21:16:23,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:23,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 21:16:23,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-11-18 21:16:24,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:24,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:24,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455842809] [2022-11-18 21:16:24,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455842809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:24,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:24,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:16:24,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398512357] [2022-11-18 21:16:24,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:24,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:16:24,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:24,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:16:24,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:16:24,008 INFO L87 Difference]: Start difference. First operand 1062 states and 1456 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:16:24,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:24,692 INFO L93 Difference]: Finished difference Result 2074 states and 2847 transitions. [2022-11-18 21:16:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:24,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 218 [2022-11-18 21:16:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:24,699 INFO L225 Difference]: With dead ends: 2074 [2022-11-18 21:16:24,699 INFO L226 Difference]: Without dead ends: 1061 [2022-11-18 21:16:24,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:24,703 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 1145 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:24,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1944 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 21:16:24,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-11-18 21:16:24,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2022-11-18 21:16:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 756 states have (on average 1.2989417989417988) internal successors, (982), 765 states have internal predecessors, (982), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2022-11-18 21:16:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1452 transitions. [2022-11-18 21:16:24,780 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1452 transitions. Word has length 218 [2022-11-18 21:16:24,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:24,780 INFO L495 AbstractCegarLoop]: Abstraction has 1061 states and 1452 transitions. [2022-11-18 21:16:24,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:16:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1452 transitions. [2022-11-18 21:16:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-18 21:16:24,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:24,787 INFO L195 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:24,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:25,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:25,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash 915801192, now seen corresponding path program 1 times [2022-11-18 21:16:25,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:25,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810707274] [2022-11-18 21:16:25,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:25,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:25,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:25,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:25,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 21:16:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:26,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 21:16:26,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 500 proven. 6 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2022-11-18 21:16:26,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2022-11-18 21:16:27,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:27,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810707274] [2022-11-18 21:16:27,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810707274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:27,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:27,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-18 21:16:27,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989981863] [2022-11-18 21:16:27,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:27,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 21:16:27,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:27,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 21:16:27,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:16:27,420 INFO L87 Difference]: Start difference. First operand 1061 states and 1452 transitions. Second operand has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:28,484 INFO L93 Difference]: Finished difference Result 2114 states and 2911 transitions. [2022-11-18 21:16:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 21:16:28,485 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 276 [2022-11-18 21:16:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:28,490 INFO L225 Difference]: With dead ends: 2114 [2022-11-18 21:16:28,490 INFO L226 Difference]: Without dead ends: 1063 [2022-11-18 21:16:28,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-11-18 21:16:28,495 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 32 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:28,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 4431 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 21:16:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-11-18 21:16:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2022-11-18 21:16:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 758 states have (on average 1.2981530343007917) internal successors, (984), 767 states have internal predecessors, (984), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2022-11-18 21:16:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1454 transitions. [2022-11-18 21:16:28,562 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1454 transitions. Word has length 276 [2022-11-18 21:16:28,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:28,563 INFO L495 AbstractCegarLoop]: Abstraction has 1063 states and 1454 transitions. [2022-11-18 21:16:28,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1454 transitions. [2022-11-18 21:16:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-18 21:16:28,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:28,569 INFO L195 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:28,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:28,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:28,787 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:28,788 INFO L85 PathProgramCache]: Analyzing trace with hash 898376298, now seen corresponding path program 2 times [2022-11-18 21:16:28,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:28,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288843918] [2022-11-18 21:16:28,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:16:28,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:28,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:28,792 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 21:16:29,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 21:16:29,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:29,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:16:29,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2022-11-18 21:16:30,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:30,672 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:30,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288843918] [2022-11-18 21:16:30,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288843918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:30,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:30,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:16:30,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121460188] [2022-11-18 21:16:30,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:30,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:16:30,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:30,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:16:30,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:30,674 INFO L87 Difference]: Start difference. First operand 1063 states and 1454 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:16:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:30,839 INFO L93 Difference]: Finished difference Result 3088 states and 4235 transitions. [2022-11-18 21:16:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:16:30,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 286 [2022-11-18 21:16:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:30,854 INFO L225 Difference]: With dead ends: 3088 [2022-11-18 21:16:30,855 INFO L226 Difference]: Without dead ends: 2068 [2022-11-18 21:16:30,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:30,860 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 659 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:30,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1768 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:16:30,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2022-11-18 21:16:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2064. [2022-11-18 21:16:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1478 states have (on average 1.3031123139377536) internal successors, (1926), 1495 states have internal predecessors, (1926), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:16:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2830 transitions. [2022-11-18 21:16:31,000 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2830 transitions. Word has length 286 [2022-11-18 21:16:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:31,005 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2830 transitions. [2022-11-18 21:16:31,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:16:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2830 transitions. [2022-11-18 21:16:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-18 21:16:31,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:31,014 INFO L195 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:31,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:31,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:31,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:31,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1533614697, now seen corresponding path program 1 times [2022-11-18 21:16:31,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:31,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420517095] [2022-11-18 21:16:31,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:31,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:31,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:31,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:31,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 21:16:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:32,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 21:16:32,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 601 proven. 10 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-11-18 21:16:32,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2022-11-18 21:16:34,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:34,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420517095] [2022-11-18 21:16:34,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420517095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:34,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:34,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-18 21:16:34,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165078706] [2022-11-18 21:16:34,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:34,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 21:16:34,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 21:16:34,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-18 21:16:34,057 INFO L87 Difference]: Start difference. First operand 2064 states and 2830 transitions. Second operand has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:35,680 INFO L93 Difference]: Finished difference Result 4129 states and 5689 transitions. [2022-11-18 21:16:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 21:16:35,681 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 308 [2022-11-18 21:16:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:35,696 INFO L225 Difference]: With dead ends: 4129 [2022-11-18 21:16:35,696 INFO L226 Difference]: Without dead ends: 2076 [2022-11-18 21:16:35,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-18 21:16:35,708 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 41 mSDsluCounter, 5891 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 6635 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:35,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 6635 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 21:16:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-11-18 21:16:35,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2076. [2022-11-18 21:16:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2076 states, 1489 states have (on average 1.3022162525184688) internal successors, (1939), 1506 states have internal predecessors, (1939), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:16:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2843 transitions. [2022-11-18 21:16:35,847 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2843 transitions. Word has length 308 [2022-11-18 21:16:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:35,848 INFO L495 AbstractCegarLoop]: Abstraction has 2076 states and 2843 transitions. [2022-11-18 21:16:35,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2843 transitions. [2022-11-18 21:16:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-18 21:16:35,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:35,855 INFO L195 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:35,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:36,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:36,079 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:36,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:36,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1488760281, now seen corresponding path program 2 times [2022-11-18 21:16:36,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:36,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454493412] [2022-11-18 21:16:36,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:16:36,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:36,083 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:36,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 21:16:39,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 21:16:39,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:39,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 21:16:39,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2022-11-18 21:16:39,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-18 21:16:40,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:40,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454493412] [2022-11-18 21:16:40,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454493412] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:40,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:40,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-18 21:16:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359046674] [2022-11-18 21:16:40,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:40,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 21:16:40,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:40,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 21:16:40,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-11-18 21:16:40,936 INFO L87 Difference]: Start difference. First operand 2076 states and 2843 transitions. Second operand has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:42,805 INFO L93 Difference]: Finished difference Result 4147 states and 5702 transitions. [2022-11-18 21:16:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 21:16:42,806 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 314 [2022-11-18 21:16:42,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:42,819 INFO L225 Difference]: With dead ends: 4147 [2022-11-18 21:16:42,819 INFO L226 Difference]: Without dead ends: 2080 [2022-11-18 21:16:42,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-11-18 21:16:42,829 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 40 mSDsluCounter, 8107 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 8852 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:42,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 8852 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 21:16:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2022-11-18 21:16:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 2080. [2022-11-18 21:16:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2080 states, 1493 states have (on average 1.3014065639651708) internal successors, (1943), 1510 states have internal predecessors, (1943), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:16:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2847 transitions. [2022-11-18 21:16:42,998 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2847 transitions. Word has length 314 [2022-11-18 21:16:42,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:42,998 INFO L495 AbstractCegarLoop]: Abstraction has 2080 states and 2847 transitions. [2022-11-18 21:16:42,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2847 transitions. [2022-11-18 21:16:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-18 21:16:43,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:43,010 INFO L195 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:43,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:43,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:43,225 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:43,226 INFO L85 PathProgramCache]: Analyzing trace with hash 681554647, now seen corresponding path program 3 times [2022-11-18 21:16:43,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:43,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180360509] [2022-11-18 21:16:43,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 21:16:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:43,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:43,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 21:16:47,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 21:16:47,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:47,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:16:47,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2668 trivial. 0 not checked. [2022-11-18 21:16:47,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:16:47,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:47,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180360509] [2022-11-18 21:16:47,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180360509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:47,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:47,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:16:47,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775483918] [2022-11-18 21:16:47,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:47,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:16:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:47,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:16:47,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:47,839 INFO L87 Difference]: Start difference. First operand 2080 states and 2847 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:16:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:48,076 INFO L93 Difference]: Finished difference Result 4834 states and 6760 transitions. [2022-11-18 21:16:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:16:48,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 320 [2022-11-18 21:16:48,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:48,096 INFO L225 Difference]: With dead ends: 4834 [2022-11-18 21:16:48,096 INFO L226 Difference]: Without dead ends: 2809 [2022-11-18 21:16:48,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:16:48,105 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 309 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:48,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1688 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:16:48,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2022-11-18 21:16:48,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2084. [2022-11-18 21:16:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1497 states have (on average 1.3006012024048097) internal successors, (1947), 1514 states have internal predecessors, (1947), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:16:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2851 transitions. [2022-11-18 21:16:48,277 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2851 transitions. Word has length 320 [2022-11-18 21:16:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:48,277 INFO L495 AbstractCegarLoop]: Abstraction has 2084 states and 2851 transitions. [2022-11-18 21:16:48,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:16:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2851 transitions. [2022-11-18 21:16:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-18 21:16:48,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:48,284 INFO L195 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:48,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:48,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:48,501 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash -598309031, now seen corresponding path program 1 times [2022-11-18 21:16:48,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478807226] [2022-11-18 21:16:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:48,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:48,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:48,504 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:48,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 21:16:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:49,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 21:16:49,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 785 proven. 21 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2022-11-18 21:16:50,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:16:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-11-18 21:16:52,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:16:52,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478807226] [2022-11-18 21:16:52,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478807226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:16:52,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:16:52,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-18 21:16:52,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101376398] [2022-11-18 21:16:52,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:16:52,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-18 21:16:52,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:16:52,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 21:16:52,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-11-18 21:16:52,107 INFO L87 Difference]: Start difference. First operand 2084 states and 2851 transitions. Second operand has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:54,181 INFO L93 Difference]: Finished difference Result 4163 states and 5718 transitions. [2022-11-18 21:16:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 21:16:54,182 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 320 [2022-11-18 21:16:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:54,193 INFO L225 Difference]: With dead ends: 4163 [2022-11-18 21:16:54,193 INFO L226 Difference]: Without dead ends: 2088 [2022-11-18 21:16:54,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2022-11-18 21:16:54,202 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 41 mSDsluCounter, 8846 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 9591 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:54,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 9591 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 21:16:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2022-11-18 21:16:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2022-11-18 21:16:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 1501 states have (on average 1.2998001332445037) internal successors, (1951), 1518 states have internal predecessors, (1951), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:16:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2855 transitions. [2022-11-18 21:16:54,366 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2855 transitions. Word has length 320 [2022-11-18 21:16:54,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:54,367 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2855 transitions. [2022-11-18 21:16:54,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:16:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2855 transitions. [2022-11-18 21:16:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-18 21:16:54,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:54,374 INFO L195 NwaCegarLoop]: trace histogram [59, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:54,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 21:16:54,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:54,587 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:54,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:54,588 INFO L85 PathProgramCache]: Analyzing trace with hash 402256617, now seen corresponding path program 2 times [2022-11-18 21:16:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:16:54,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428893963] [2022-11-18 21:16:54,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:16:54,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:16:54,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:16:54,590 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:16:54,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 21:16:58,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 21:16:58,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:16:58,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 21:16:58,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:16:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 892 proven. 28 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2022-11-18 21:16:58,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:17:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2022-11-18 21:17:00,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:17:00,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428893963] [2022-11-18 21:17:00,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428893963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:17:00,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:17:00,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2022-11-18 21:17:00,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888652770] [2022-11-18 21:17:00,959 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 21:17:00,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 21:17:00,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:17:00,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 21:17:00,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2022-11-18 21:17:00,961 INFO L87 Difference]: Start difference. First operand 2088 states and 2855 transitions. Second operand has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:17:03,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:17:03,195 INFO L93 Difference]: Finished difference Result 4171 states and 5726 transitions. [2022-11-18 21:17:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 21:17:03,200 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 326 [2022-11-18 21:17:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:17:03,212 INFO L225 Difference]: With dead ends: 4171 [2022-11-18 21:17:03,212 INFO L226 Difference]: Without dead ends: 2092 [2022-11-18 21:17:03,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2022-11-18 21:17:03,220 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 61 mSDsluCounter, 9599 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 10344 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:17:03,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 10344 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 21:17:03,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2022-11-18 21:17:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2092. [2022-11-18 21:17:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 1505 states have (on average 1.2990033222591362) internal successors, (1955), 1522 states have internal predecessors, (1955), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:17:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2859 transitions. [2022-11-18 21:17:03,400 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2859 transitions. Word has length 326 [2022-11-18 21:17:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:17:03,401 INFO L495 AbstractCegarLoop]: Abstraction has 2092 states and 2859 transitions. [2022-11-18 21:17:03,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-11-18 21:17:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2859 transitions. [2022-11-18 21:17:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-18 21:17:03,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:17:03,408 INFO L195 NwaCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:17:03,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 21:17:03,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:17:03,631 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:17:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:17:03,631 INFO L85 PathProgramCache]: Analyzing trace with hash 873706649, now seen corresponding path program 3 times [2022-11-18 21:17:03,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:17:03,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636131836] [2022-11-18 21:17:03,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 21:17:03,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:17:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:17:03,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:17:03,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 21:17:06,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 21:17:06,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:17:06,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 21:17:06,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:17:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3509 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3502 trivial. 0 not checked. [2022-11-18 21:17:06,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:17:06,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:17:06,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636131836] [2022-11-18 21:17:06,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636131836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:17:06,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:17:06,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:17:06,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727648413] [2022-11-18 21:17:06,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:17:06,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:17:06,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:17:06,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:17:06,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:17:06,524 INFO L87 Difference]: Start difference. First operand 2092 states and 2859 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:17:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:17:07,230 INFO L93 Difference]: Finished difference Result 3707 states and 5177 transitions. [2022-11-18 21:17:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:17:07,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 332 [2022-11-18 21:17:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:17:07,245 INFO L225 Difference]: With dead ends: 3707 [2022-11-18 21:17:07,246 INFO L226 Difference]: Without dead ends: 2685 [2022-11-18 21:17:07,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:17:07,251 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 933 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3433 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 21:17:07,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3433 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 21:17:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-11-18 21:17:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2098. [2022-11-18 21:17:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 1511 states have (on average 1.2978160158835208) internal successors, (1961), 1528 states have internal predecessors, (1961), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-18 21:17:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2865 transitions. [2022-11-18 21:17:07,486 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2865 transitions. Word has length 332 [2022-11-18 21:17:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:17:07,488 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2865 transitions. [2022-11-18 21:17:07,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-18 21:17:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2865 transitions. [2022-11-18 21:17:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-18 21:17:07,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:17:07,495 INFO L195 NwaCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:17:07,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 21:17:07,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:17:07,713 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:17:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:17:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash 963611872, now seen corresponding path program 1 times [2022-11-18 21:17:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:17:07,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234798175] [2022-11-18 21:17:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:17:07,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:17:07,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:17:07,715 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:17:07,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-18 21:17:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:17:17,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:17:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:17:26,208 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 21:17:26,209 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:17:26,210 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:17:26,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-11-18 21:17:26,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:17:26,438 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1] [2022-11-18 21:17:26,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:17:26,476 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,479 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,481 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,483 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,485 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,487 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,488 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,490 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,492 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,493 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,495 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:17:26 BoogieIcfgContainer [2022-11-18 21:17:26,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:17:26,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:17:26,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:17:26,674 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:17:26,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:12" (3/4) ... [2022-11-18 21:17:26,677 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 21:17:26,729 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,731 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,732 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,733 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,734 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,742 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,743 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,744 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,745 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,747 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,748 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 21:17:26,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:17:26,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:17:26,961 INFO L158 Benchmark]: Toolchain (without parser) took 92177.22ms. Allocated memory was 67.1MB in the beginning and 402.7MB in the end (delta: 335.5MB). Free memory was 39.9MB in the beginning and 266.0MB in the end (delta: -226.0MB). Peak memory consumption was 290.7MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,962 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:17:26,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2325.35ms. Allocated memory was 67.1MB in the beginning and 136.3MB in the end (delta: 69.2MB). Free memory was 39.8MB in the beginning and 67.0MB in the end (delta: -27.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.13ms. Allocated memory is still 136.3MB. Free memory was 67.0MB in the beginning and 56.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,964 INFO L158 Benchmark]: Boogie Preprocessor took 218.84ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 56.5MB in the beginning and 140.9MB in the end (delta: -84.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,964 INFO L158 Benchmark]: RCFGBuilder took 15085.22ms. Allocated memory is still 201.3MB. Free memory was 140.9MB in the beginning and 120.9MB in the end (delta: 20.0MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,965 INFO L158 Benchmark]: TraceAbstraction took 74115.18ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 120.9MB in the beginning and 91.5MB in the end (delta: 29.4MB). Peak memory consumption was 229.7MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,965 INFO L158 Benchmark]: Witness Printer took 287.16ms. Allocated memory is still 402.7MB. Free memory was 91.5MB in the beginning and 266.0MB in the end (delta: -174.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-18 21:17:26,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2325.35ms. Allocated memory was 67.1MB in the beginning and 136.3MB in the end (delta: 69.2MB). Free memory was 39.8MB in the beginning and 67.0MB in the end (delta: -27.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.13ms. Allocated memory is still 136.3MB. Free memory was 67.0MB in the beginning and 56.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.84ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 56.5MB in the beginning and 140.9MB in the end (delta: -84.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * RCFGBuilder took 15085.22ms. Allocated memory is still 201.3MB. Free memory was 140.9MB in the beginning and 120.9MB in the end (delta: 20.0MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * TraceAbstraction took 74115.18ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 120.9MB in the beginning and 91.5MB in the end (delta: 29.4MB). Peak memory consumption was 229.7MB. Max. memory is 16.1GB. * Witness Printer took 287.16ms. Allocated memory is still 402.7MB. Free memory was 91.5MB in the beginning and 266.0MB in the end (delta: -174.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5816]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L4374] struct dlm_slot *md_ls_ops_group0 ; [L4367] int LDV_IN_INTERRUPT = 1; [L5527] int ldv_retval_0 ; [L4371] struct mddev *cluster_ops_group1 ; [L4369] struct md_rdev *cluster_ops_group0 ; [L4370] int ref_cnt ; [L5855] int ldv_module_refcounter = 1; [L4719] static struct dlm_lockspace_ops const md_ls_ops = {& recover_prep, & recover_slot, & recover_done}; [L5507-L5510] static struct md_cluster_operations cluster_ops = {& join, & leave, & slot_number, & resync_info_update, & resync_start, & resync_finish, & metadata_update_start, & metadata_update_finish, & metadata_update_cancel, & area_resyncing, & add_new_disk_start, & add_new_disk_finish, & new_disk_ack, & remove_disk, & gather_bitmaps}; [L4368] int ldv_state_variable_2 ; [L4373] int ldv_state_variable_0 ; [L4372] int ldv_state_variable_1 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5553] bool ldvarg7 ; [L5554] sector_t ldvarg3 ; [L5555] sector_t ldvarg0 ; [L5556] sector_t ldvarg5 ; [L5557] sector_t ldvarg6 ; [L5558] sector_t ldvarg1 ; [L5559] int ldvarg4 ; [L5560] sector_t ldvarg2 ; [L5561] void *ldvarg8 ; [L5562] void *tmp ; [L5563] int ldvarg11 ; [L5564] void *ldvarg13 ; [L5565] void *tmp___0 ; [L5566] void *ldvarg10 ; [L5567] void *tmp___1 ; [L5568] uint32_t ldvarg12 ; [L5569] int ldvarg9 ; [L5570] int tmp___2 ; [L5571] int tmp___3 ; [L5572] int tmp___4 ; [L5573] int tmp___5 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={288230376151711743:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={288230376151711743:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={288230376151711743:0}, ref_cnt=0, size=1, tmp={288230376151711743:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={288230376151711743:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={288230376151711743:0}, ref_cnt=0, size=1, tmp={288230376151711743:0}] [L4333] return (p); VAL [\old(size)=1, \result={288230376151711743:0}, calloc(1UL, size)={288230376151711743:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={288230376151711743:0}, ref_cnt=0, size=1, tmp={288230376151711743:0}] [L5575] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={288230376151711743:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] tmp = ldv_init_zalloc(1UL) [L5576] ldvarg8 = tmp VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}] [L5577] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={8358672112306618342:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={8358672112306618342:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={8358672112306618342:0}, ref_cnt=0, size=1, tmp={8358672112306618342:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={8358672112306618342:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={8358672112306618342:0}, ref_cnt=0, size=1, tmp={8358672112306618342:0}] [L4333] return (p); VAL [\old(size)=1, \result={8358672112306618342:0}, calloc(1UL, size)={8358672112306618342:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={8358672112306618342:0}, ref_cnt=0, size=1, tmp={8358672112306618342:0}] [L5577] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={8358672112306618342:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}] [L5577] tmp___0 = ldv_init_zalloc(1UL) [L5578] ldvarg13 = tmp___0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}] [L5579] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={1441134288572514286:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={1441134288572514286:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={1441134288572514286:0}, ref_cnt=0, size=1, tmp={1441134288572514286:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={1441134288572514286:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={1441134288572514286:0}, ref_cnt=0, size=1, tmp={1441134288572514286:0}] [L4333] return (p); VAL [\old(size)=1, \result={1441134288572514286:0}, calloc(1UL, size)={1441134288572514286:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={1441134288572514286:0}, ref_cnt=0, size=1, tmp={1441134288572514286:0}] [L5579] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={1441134288572514286:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}] [L5579] tmp___1 = ldv_init_zalloc(1UL) [L5580] ldvarg10 = tmp___1 [L5581] FCALL ldv_initialize() [L5582] CALL ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [\old(c)=0, \old(n)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8070450532247994373:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={-8070450532247994373:0}, s={-8070450532247994373:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8070450532247994373:0}, n=1, ref_cnt=0, s={-8070450532247994373:0}, s={-8070450532247994373:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=1, \result={-8070450532247994373:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={-8070450532247994373:0}, s={-8070450532247994373:0}, tmp={-8070450532247994373:0}] [L5582] RET ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 1UL)={-8070450532247994373:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5583] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-17592186044300:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-17592186044300:0}, s={-17592186044300:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-17592186044300:0}, n=8, ref_cnt=0, s={-17592186044300:0}, s={-17592186044300:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-17592186044300:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-17592186044300:0}, s={-17592186044300:0}, tmp={-17592186044300:0}] [L5583] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={-17592186044300:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5584] CALL ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-79:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-79:0}, s={-79:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-79:0}, n=8, ref_cnt=0, s={-79:0}, s={-79:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-79:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-79:0}, s={-79:0}, tmp={-79:0}] [L5584] RET ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 8UL)={-79:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5585] CALL ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8070450532247928845:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8070450532247928845:0}, s={-8070450532247928845:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8070450532247928845:0}, n=8, ref_cnt=0, s={-8070450532247928845:0}, s={-8070450532247928845:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-8070450532247928845:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8070450532247928845:0}, s={-8070450532247928845:0}, tmp={-8070450532247928845:0}] [L5585] RET ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 8UL)={-8070450532247928845:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5586] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8860789375910840845:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8860789375910840845:0}, s={-8860789375910840845:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8860789375910840845:0}, n=8, ref_cnt=0, s={-8860789375910840845:0}, s={-8860789375910840845:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-8860789375910840845:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8860789375910840845:0}, s={-8860789375910840845:0}, tmp={-8860789375910840845:0}] [L5586] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={-8860789375910840845:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5587] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8860789375910840906:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8860789375910840906:0}, s={-8860789375910840906:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8860789375910840906:0}, n=8, ref_cnt=0, s={-8860789375910840906:0}, s={-8860789375910840906:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-8860789375910840906:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8860789375910840906:0}, s={-8860789375910840906:0}, tmp={-8860789375910840906:0}] [L5587] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={-8860789375910840906:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5588] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-84:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-84:0}, s={-84:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-84:0}, n=4, ref_cnt=0, s={-84:0}, s={-84:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-84:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-84:0}, s={-84:0}, tmp={-84:0}] [L5588] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={-84:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5589] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8070450532247928837:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8070450532247928837:0}, s={-8070450532247928837:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8070450532247928837:0}, n=8, ref_cnt=0, s={-8070450532247928837:0}, s={-8070450532247928837:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-8070450532247928837:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-8070450532247928837:0}, s={-8070450532247928837:0}, tmp={-8070450532247928837:0}] [L5589] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={-8070450532247928837:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5590] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8070450532247928838:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-8070450532247928838:0}, s={-8070450532247928838:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8070450532247928838:0}, n=4, ref_cnt=0, s={-8070450532247928838:0}, s={-8070450532247928838:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-8070450532247928838:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-8070450532247928838:0}, s={-8070450532247928838:0}, tmp={-8070450532247928838:0}] [L5590] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={-8070450532247928838:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5591] CALL ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-2882303763377623158:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-2882303763377623158:0}, s={-2882303763377623158:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-2882303763377623158:0}, n=4, ref_cnt=0, s={-2882303763377623158:0}, s={-2882303763377623158:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-2882303763377623158:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-2882303763377623158:0}, s={-2882303763377623158:0}, tmp={-2882303763377623158:0}] [L5591] RET ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg12), 0, 4UL)={-2882303763377623158:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5592] CALL ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-8860782080945361010:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-8860782080945361010:0}, s={-8860782080945361010:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-8860782080945361010:0}, n=4, ref_cnt=0, s={-8860782080945361010:0}, s={-8860782080945361010:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-8860782080945361010:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-8860782080945361010:0}, s={-8860782080945361010:0}, tmp={-8860782080945361010:0}] [L5592] RET ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg9), 0, 4UL)={-8860782080945361010:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5593] ldv_state_variable_1 = 0 [L5594] ref_cnt = 0 [L5595] ldv_state_variable_0 = 1 [L5596] ldv_state_variable_2 = 0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1, tmp___4=1] [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR cluster_init() [L5516] CALL register_md_cluster_operations(& cluster_ops, & __this_module) [L6002] return __VERIFIER_nondet_int(); [L5516] RET register_md_cluster_operations(& cluster_ops, & __this_module) [L5517] return (0); VAL [\result=0, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5730] RET, EXPR cluster_init() [L5730] ldv_retval_0 = cluster_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_2 = 1 [L5734] CALL ldv_initialize_dlm_lockspace_ops_2() [L5532] void *tmp ; VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={1:-9223372036854775808}, calloc(1UL, size)={2305814580038397918:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=8] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=8, __this_module={1:-9223372036854775808}, calloc(1UL, size)={2305814580038397918:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2305814580038397918:0}, ref_cnt=0, size=8, tmp={2305814580038397918:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={1:-9223372036854775808}, calloc(1UL, size)={2305814580038397918:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2305814580038397918:0}, ref_cnt=0, size=8, tmp={2305814580038397918:0}] [L4333] return (p); VAL [\old(size)=8, \result={2305814580038397918:0}, __this_module={1:-9223372036854775808}, calloc(1UL, size)={2305814580038397918:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2305814580038397918:0}, ref_cnt=0, size=8, tmp={2305814580038397918:0}] [L5534] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={2305814580038397918:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] tmp = ldv_init_zalloc(8UL) [L5535] md_ls_ops_group0 = (struct dlm_slot *)tmp VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={2305814580038397918:0}] [L5734] RET ldv_initialize_dlm_lockspace_ops_2() [L5735] ldv_state_variable_1 = 1 [L5736] CALL ldv_initialize_md_cluster_operations_1() [L5541] void *tmp ; [L5542] void *tmp___0 ; VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L5544] CALL, EXPR ldv_init_zalloc(832UL) VAL [\old(size)=832, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=832, __this_module={1:-9223372036854775808}, calloc(1UL, size)={9223344559051208062:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=832] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=832, __this_module={1:-9223372036854775808}, calloc(1UL, size)={9223344559051208062:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={9223344559051208062:0}, ref_cnt=0, size=832, tmp={9223344559051208062:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=832, __this_module={1:-9223372036854775808}, calloc(1UL, size)={9223344559051208062:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={9223344559051208062:0}, ref_cnt=0, size=832, tmp={9223344559051208062:0}] [L4333] return (p); VAL [\old(size)=832, \result={9223344559051208062:0}, __this_module={1:-9223372036854775808}, calloc(1UL, size)={9223344559051208062:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={9223344559051208062:0}, ref_cnt=0, size=832, tmp={9223344559051208062:0}] [L5544] RET, EXPR ldv_init_zalloc(832UL) VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(832UL)={9223344559051208062:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L5544] tmp = ldv_init_zalloc(832UL) [L5545] cluster_ops_group0 = (struct md_rdev *)tmp VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={9223344559051208062:0}] [L5546] CALL, EXPR ldv_init_zalloc(2096UL) VAL [\old(size)=2096, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2096, __this_module={1:-9223372036854775808}, calloc(1UL, size)={-8930476274739384434:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=2096] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=2096, __this_module={1:-9223372036854775808}, calloc(1UL, size)={-8930476274739384434:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={-8930476274739384434:0}, ref_cnt=0, size=2096, tmp={-8930476274739384434:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2096, __this_module={1:-9223372036854775808}, calloc(1UL, size)={-8930476274739384434:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={-8930476274739384434:0}, ref_cnt=0, size=2096, tmp={-8930476274739384434:0}] [L4333] return (p); VAL [\old(size)=2096, \result={-8930476274739384434:0}, __this_module={1:-9223372036854775808}, calloc(1UL, size)={-8930476274739384434:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, p={-8930476274739384434:0}, ref_cnt=0, size=2096, tmp={-8930476274739384434:0}] [L5546] RET, EXPR ldv_init_zalloc(2096UL) VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2096UL)={-8930476274739384434:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={9223344559051208062:0}] [L5546] tmp___0 = ldv_init_zalloc(2096UL) [L5547] cluster_ops_group1 = (struct mddev *)tmp___0 VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={9223344559051208062:0}, tmp___0={-8930476274739384434:0}] [L5736] RET ldv_initialize_md_cluster_operations_1() [L5739] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=0, tmp___4=1] [L5601] COND TRUE ldv_state_variable_1 != 0 [L5602] tmp___3 = __VERIFIER_nondet_int() [L5604] case 0: [L5611] case 1: [L5618] case 2: [L5625] case 3: [L5632] case 4: [L5639] case 5: [L5646] case 6: [L5653] case 7: [L5660] case 8: [L5667] case 9: VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5668] COND TRUE ldv_state_variable_1 == 1 [L5669] EXPR \read(ldvarg4) [L5669] CALL join(cluster_ops_group1, ldvarg4) [L5089] struct md_cluster_info *cinfo ; [L5090] int ret ; [L5091] int ops_rv ; [L5092] char str[64U] ; [L5093] bool tmp ; [L5094] int tmp___0 ; [L5095] void *tmp___1 ; [L5096] struct lock_class_key __key ; [L5097] int tmp___2 ; [L5098] int tmp___3 ; [L5099] int tmp___4 ; [L5100] struct lock_class_key __key___0 ; [L5102] CALL, EXPR ldv_try_module_get_5(& __this_module) [L5798] int tmp ; [L5800] CALL, EXPR ldv_try_module_get(ldv_func_arg1) [L5868] int module_get_succeeded ; VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, module={1:-9223372036854775808}, module={1:-9223372036854775808}, ref_cnt=0] [L5870] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L5871] CALL, EXPR ldv_undef_int() [L4346] int tmp ; [L4348] tmp = __VERIFIER_nondet_int() [L4349] return (tmp); VAL [\result=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp=1] [L5871] RET, EXPR ldv_undef_int() [L5871] module_get_succeeded = ldv_undef_int() [L5872] COND TRUE module_get_succeeded == 1 [L5873] ldv_module_refcounter = ldv_module_refcounter + 1 [L5874] return (1); VAL [\result=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, module={1:-9223372036854775808}, module={1:-9223372036854775808}, module_get_succeeded=1, ref_cnt=0] [L5800] RET, EXPR ldv_try_module_get(ldv_func_arg1) [L5800] tmp = ldv_try_module_get(ldv_func_arg1) [L5801] return (tmp != 0); VAL [\result=1, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, ldv_func_arg1={1:-9223372036854775808}, ldv_func_arg1={1:-9223372036854775808}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp=1] [L5102] RET, EXPR ldv_try_module_get_5(& __this_module) [L5102] tmp = ldv_try_module_get_5(& __this_module) [L5103] COND TRUE \read(tmp) [L5104] tmp___0 = 0 VAL [\old(nodes)=0, __key={-8354015522435960946:0}, __key___0={-8070450532247994369:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, mddev={-8930476274739384434:0}, mddev={-8930476274739384434:0}, nodes=0, ops_rv={-2882303763377623153:0}, ref_cnt=0, str={-8070450532247994374:0}, tmp=1, tmp___0=0] [L5108] COND FALSE !(\read(tmp___0)) VAL [\old(nodes)=0, __key={-8354015522435960946:0}, __key___0={-8070450532247994369:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, mddev={-8930476274739384434:0}, mddev={-8930476274739384434:0}, nodes=0, ops_rv={-2882303763377623153:0}, ref_cnt=0, str={-8070450532247994374:0}, tmp=1, tmp___0=0] [L5112] CALL, EXPR kzalloc(536UL, 208U) VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4277] void *tmp ; [L4279] CALL, EXPR kmalloc(size, flags | 32768U) [L4268] void *tmp___2 ; [L4270] CALL, EXPR __kmalloc(size, flags) [L4263] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L4293] void *p ; [L4294] void *tmp ; [L4295] int tmp___0 ; [L4297] tmp___0 = __VERIFIER_nondet_int() [L4298] COND TRUE tmp___0 != 0 [L4299] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=536, tmp___0=2147483648] [L4263] RET, EXPR ldv_malloc(size) VAL [\old(size)=536, \old(t)=32976, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=536, t=32976] [L4263] return ldv_malloc(size); [L4270] RET, EXPR __kmalloc(size, flags) [L4270] tmp___2 = __kmalloc(size, flags) [L4271] return (tmp___2); VAL [\old(flags)=32976, \old(size)=536, \result={0:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, flags=32976, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=536, tmp___2={0:0}] [L4279] RET, EXPR kmalloc(size, flags | 32768U) [L4279] tmp = kmalloc(size, flags | 32768U) [L4280] return (tmp); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, size=536, tmp={0:0}] [L5112] RET, EXPR kzalloc(536UL, 208U) VAL [\old(nodes)=0, __key={-8354015522435960946:0}, __key___0={-8070450532247994369:0}, __this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, kzalloc(536UL, 208U)={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, mddev={-8930476274739384434:0}, mddev={-8930476274739384434:0}, nodes=0, ops_rv={-2882303763377623153:0}, ref_cnt=0, str={-8070450532247994374:0}, tmp=1, tmp___0=0] [L5112] tmp___1 = kzalloc(536UL, 208U) [L5113] cinfo = (struct md_cluster_info *)tmp___1 VAL [\old(nodes)=0, __key={-8354015522435960946:0}, __key___0={-8070450532247994369:0}, __this_module={1:-9223372036854775808}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, mddev={-8930476274739384434:0}, mddev={-8930476274739384434:0}, nodes=0, ops_rv={-2882303763377623153:0}, ref_cnt=0, str={-8070450532247994374:0}, tmp=1, tmp___0=0, tmp___1={0:0}] [L5114] COND TRUE (unsigned long )cinfo == (unsigned long )((struct md_cluster_info *)0) [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); VAL [\old(nodes)=0, \result=-12, __this_module={1:-9223372036854775808}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, mddev={-8930476274739384434:0}, mddev={-8930476274739384434:0}, nodes=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1={0:0}] [L5669] RET join(cluster_ops_group1, ldvarg4) [L5670] ldv_state_variable_1 = 1 VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1, tmp___3=9, tmp___4=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL cluster_exit() [L5523] CALL unregister_md_cluster_operations() [L6010] return __VERIFIER_nondet_int(); [L5523] RET unregister_md_cluster_operations() [L5722] RET cluster_exit() [L5723] ldv_state_variable_0 = 2 VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-79:0}, ldvarg1={-8860789375910840906:0}, ldvarg10={1441134288572514286:0}, ldvarg11={-8070450532247928838:0}, ldvarg12={-2882303763377623158:0}, ldvarg13={8358672112306618342:0}, ldvarg2={-8070450532247928837:0}, ldvarg3={-17592186044300:0}, ldvarg4={-84:0}, ldvarg5={-8070450532247928845:0}, ldvarg6={-8860789375910840845:0}, ldvarg7={-8070450532247994373:0}, ldvarg8={288230376151711743:0}, ldvarg9={-8860782080945361010:0}, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0, tmp={288230376151711743:0}, tmp___0={8358672112306618342:0}, tmp___1={1441134288572514286:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5792] CALL ldv_check_final_state() [L5914] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L5915] CALL ldv_error() VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] [L5816] reach_error() VAL [__this_module={1:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={9223344559051208062:0}, cluster_ops_group1={-8930476274739384434:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={2305814580038397918:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 565 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.8s, OverallIterations: 15, TraceHistogramMax: 65, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4074 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3981 mSDsluCounter, 65851 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53965 mSDsCounter, 635 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2311 IncrementalHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 635 mSolverCounterUnsat, 11886 mSDtfsCounter, 2311 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5650 GetRequests, 5487 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2098occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1319 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 26.1s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 4022 NumberOfCodeBlocks, 2920 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5602 ConstructedInterpolants, 0 QuantifiedInterpolants, 6855 SizeOfPredicates, 20 NumberOfNonLiveVariables, 15540 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 35869/38066 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 21:17:27,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d331ecd-585b-4c55-97fb-fd82b21b6afa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE